Intangible Assets

3 Months Ended

Mar. 31, 2013

Intangible Assets [Abstract]

Intangible Assets

(5)   Intangible Assets

The Company amortizes intangible assets on a straight line basis over their estimated useful lives as follows:

Trademarks	1-10 years
Contracts – third party	7 years
Contracts – owned equipment	5-7 years

Total amortization expense was $0.2 million for each of the three months ended March 31, 2013 and 2012.

Intangible assets as of March 31, 2013 and December 31, 2012 were as follows (in thousands):

	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
March 31, 2013
Trademarks	$	1,278	$	(864	)	$	414
Contracts- third party		3,650		(3,389	)		261
Contracts- owned equipment		3,907		(3,384	)		523
	$	8,835	$	(7,637	)	$	1,198
December 31, 2012
Trademarks	$	1,278	$	(831	)	$	447
Contracts- third party		3,650		(3,259	)		391
Contracts- owned equipment		3,960		(3,357	)		603
	$	8,888	$	(7,447	)	$	1,441